| Model | SW-R21 |
| Type | TFT Color Screen |
| Screen Size | 2.0 |
| Rotating Screen | × |
| Communication | CAN/UART |
| Voltage | 12V/24V/36V/48V/60V/72V |
| Handlebar Size | 31.8 |
| Cable Length | 250mm/Customize |
| Switching On/Off | √ |
| Mode | √ |
| PAS Level | √ |
| Throttle | × |
| Headlight On/Off | √ |
| Light Sensor | √ |
| Walk Mode | √ |
| Cruise | √ |
| Password | √ |
| Auto-Off | √ |
| Bluetooth 5.0 | √ |
| USB Charge | × |
| Time | √ |
| Setting Menu | √ |
| MAX/AVG/CUR Speed | √ |
| TRIP/ODO | √ |
| Battery Level | √ |
| Error Code | √ |
| Power | √ |
| Working Temperature | -20~70°C |
| Protection Rating | IP66 |
| Certification | CE, ROHS, EN13849, FCC |
LCD Display SW-R21
- Stem Embedded & Cable Concealed Design
- Color TFT Screen Type, Anti-Glare Vivid Even Under Sunlight
- 2.0” Screen Size, suitable for e-City Bike, eMTB, Folding Bike
- Support Both CAN/UART Communication Type
- Bluetooth 5.0 and NFC supported
- Multiple Functions: Speed/Distance/Power/Time Display/Headlight On/Off, Walk Mode, Settings
- Wide Working Temperature Range: -20°C~60°C
- Protection Rate: IP66, Built-in Waterproof Connector

